const Map<String, dynamic> provincesData = {
  "110000": {"name": "北京市", "alpha": "b"},
  "120000": {"name": "天津市", "alpha": "t"},
  "130000": {"name": "河北省", "alpha": "b"},
  "140000": {"name": "山西省", "alpha": "s"},
  "150000": {"name": "内蒙古自治区", "alpha": "n"},
  "210000": {"name": "辽宁省", "alpha": "l"},
  "220000": {"name": "吉林省", "alpha": "j"},
  "230000": {"name": "黑龙江省", "alpha": "h"},
  "310000": {"name": "上海市", "alpha": "s"},
  "320000": {"name": "江苏省", "alpha": "j"},
  "330000": {"name": "浙江省", "alpha": "z"},
  "340000": {"name": "安徽省", "alpha": "a"},
  "350000": {"name": "福建省", "alpha": "f"},
  "360000": {"name": "江西省", "alpha": "j"},
  "370000": {"name": "山东省", "alpha": "s"},
  "410000": {"name": "河南省", "alpha": "h"},
  "420000": {"name": "湖北省", "alpha": "h"},
  "430000": {"name": "湖南省", "alpha": "h"},
  "440000": {"name": "广东省", "alpha": "g"},
  "450000": {"name": "广西壮族自治区", "alpha": "g"},
  "460000": {"name": "海南省", "alpha": "h"},
  "500000": {"name": "重庆市", "alpha": "c"},
  "510000": {"name": "四川省", "alpha": "s"},
  "520000": {"name": "贵州省", "alpha": "g"},
  "530000": {"name": "云南省", "alpha": "y"},
  "540000": {"name": "西藏自治区", "alpha": "x"},
  "610000": {"name": "陕西省", "alpha": "s"},
  "620000": {"name": "甘肃省", "alpha": "g"},
  "630000": {"name": "青海省", "alpha": "q"},
  "640000": {"name": "宁夏回族自治区", "alpha": "n"},
  "650000": {"name": "新疆维吾尔自治区", "alpha": "x"},
  "710000": {"name": "台湾省", "alpha": "t"},
  "810000": {"name": "香港特别行政区", "alpha": "x"},
  "820000": {"name": "澳门特别行政区", "alpha": "a"}
};
